1/*
2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#ifndef _ASM_ARC_TLB_H
10#define _ASM_ARC_TLB_H
11
12#define tlb_flush(tlb)				\
13do {						\
14	if (tlb->fullmm)			\
15		flush_tlb_mm((tlb)->mm);	\
16} while (0)
17
18/*
19 * This pair is called at time of munmap/exit to flush cache and TLB entries
20 * for mappings being torn down.
21 * 1) cache-flush part -implemented via tlb_start_vma( ) for VIPT aliasing D$
22 * 2) tlb-flush part - implemted via tlb_end_vma( ) flushes the TLB range
23 *
24 * Note, read http://lkml.org/lkml/2004/1/15/6
25 */
26#ifndef CONFIG_ARC_CACHE_VIPT_ALIASING
27#define tlb_start_vma(tlb, vma)
28#else
29#define tlb_start_vma(tlb, vma)						\
30do {									\
31	if (!tlb->fullmm)						\
32		flush_cache_range(vma, vma->vm_start, vma->vm_end);	\
33} while(0)
34#endif
35
36#define tlb_end_vma(tlb, vma)						\
37do {									\
38	if (!tlb->fullmm)						\
39		flush_tlb_range(vma, vma->vm_start, vma->vm_end);	\
40} while (0)
41
42#define __tlb_remove_tlb_entry(tlb, ptep, address)
43
44#include <linux/pagemap.h>
45#include <asm-generic/tlb.h>
46
47#endif /* _ASM_ARC_TLB_H */
48